

function Foo(){

}
Foo.get = function(){
    console.log('get1..')
}
Foo.prototype.get = function(){
    console.log('get2..')
}
new Foo.get()  // get1...
new Foo().get() // get2..

/*

点（.）的优先级高于new操作，遂new Foo.get()相当于是: new (Foo.get)();

 new Foo().getName() 首先看运算符优先级括号高于new，相当于：(new Foo()).get()
 */
